Dyfyniad APA

Travers, R. M. (1978). An introduction to educational research (4th ed.). Macmillan.

Dyfyniad Arddull Chicago

Travers, Robert M.W. An Introduction to Educational Research. 4th ed. New York: Macmillan, 1978.

Dyfyniad MLA

Travers, Robert M.W. An Introduction to Educational Research. 4th ed. Macmillan, 1978.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.